Create Figure.cs

DrawFigureLibrary/Figure.cs

@@ -0,0 +1,44 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+
+namespace DrawFigureLibrary
+{
+    public abstract class Figure
+    {
+        public string? Name { get; }
+
+        public int x;
+        public int y;
+        public int w;
+        public int h;
+
+        public Figure(string name, int x, int y, int w, int h)
+        {
+            this.Name = name;
+            this.x = x;
+            this.y = y;
+            this.w = w;
+            this.h = h;
+        }
+
+        public abstract void Draw(DrawingContext ctx);
+
+        public abstract void MoveBy(int dX, int dY);
+
+        public override string ToString() => Name ?? "";
+
+        public static bool Check(Figure fig, int dX, int dY, Image img) => fig.x + dX >= 0 && fig.y + dY >= 0 && fig.x + dX + fig.w <= img.ActualWidth && fig.y + dY + fig.h <= img.ActualHeight;
+        
+        public virtual bool HitTest(Point p) => p.X >= x && p.X <= x + w && p.Y >= y && p.Y <= y + h;
+        
+        public virtual bool MoveByChecked(int dX, int dY)
+        {
+            if (Init.DrawingImage == null) return false;
+            if (!Check(this, dX, dY, Init.DrawingImage)) return false;
+
+            MoveBy(dX, dY);
+            return true;
+        }
+    }
+}